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詳細資料：

Anritsu ME3620A Measurements/Features 
Meets mapping requirements for both SDH and SONET
Module system, upgradable from 622 Mb/s to 2488 Mb/s provided
Concatenation signal measurements for large capacity B-ISDN, ATM, etc. ecommunications
Meets CID immunity measurement standards*
STM-16 （STS-48） 64-frame data generating/data logging
SOH/POH, 64-frame memory
Quick start and firmware up load